仏岩温泉
Hotokeiwa OnsenOperated by · 有限会社 鈴森商事
硫
Sulfate
- Color
- colorless and transparent
- Taste
- not recorded
- Odor
- not recorded
Calcium Sulfate spring
pH 8.2Weakly alkaline
Composition fingerprint1.4 g/kg dissolved · Hypotonic
Ca²⁺88
SO₄²⁻92
◀ CationsAnions ▶
- Calcium Ca²⁺
- settling and calming; can leave a white mineral bloom.
- Sulfate SO₄²⁻
- "gypsum / Glauber's salt" — vessels and wound healing.
Known good for
- Aches & jointsstiff shoulders
- Circulationtired legs
- Smooth skindry, rough skin
A calcium-led sulfate spring with the quietly settled body characteristic of the type. Weakly alkaline at pH 8.2, soft on the skin,. Mineralization is moderate (~1,350 mg/kg dissolved solids) — enough body to feel without weighing the bath down.
Sampled at wellhead·Analyzed Sep 19, 2018·一般社団法人 群馬県薬剤師会(環境衛生試験センター)